Holmium

Lanthanide

Symbol: Ho

Atomic Number: 67

Standard State: Solid

Atomic Mass: 164.9303

Electron Configuration: [Xe]6s2 4f11

Electronegativity: 1.23

Atomic Radius: 216

Ionization Energy: 6.022

Melting Point: 1747

Boiling Point: 2973

Density: 8.8

Year Discovered: 1878